Small Team Productivity
Given the strength of these advantages to small teams, we would expect small teams to be more productive than large teams. Doug Putnam of QSM found exactly that after studying 491 projects with team sizes from 1 to 20 people. Since 1978 QSM has been collecting data on software productivity and estimates. The company maintains the software development industry’s most thorough metrics database, including data on application size, effort, industry, and more. As such, the QSM database is uniquely valuable for comparing different types of projects.
From the QSM database of over 7,000 projects, Putnam narrowed the data set to 491 projects completed between 2003–2005 that delivered between 35,000 and 95,000 new or modified lines ...
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